Professional drum, crane drum, steel structure drum, steel wire rope drum, hoist drum and broken line drum manufacturing company - Glorious Sun
Focus on the industry for more than 30 yearsOf wire rope drumOne of the leading brands
起重机卷筒的焊接机加工艺:
板材下料→滚制筒体并焊接纵向焊缝→检验筒体纵向焊缝及几何尺寸(直径、长度、内径椭圆度公差等),对于大直径筒体按工艺规程加焊工艺拉筋→机加工筒体环形坡口,对工艺有要求粗加工筒体外圆的要加工其外圆→筒体接长焊接(即环缝焊接)。对于筒体两端需加焊工艺拉筋的按工艺规程规定执行,并检验环缝焊接质量及机加工余量→筒体长度定尺加工及两端止口或坡口加工→焊接筒体端部法兰板、轴、内支承圈等。